<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Login</title>
</head>
<body>
    <input placeholder="输入用户名" name="username">
    <br>
    <input placeholder="输入用密码" name="password" type="password">
    <br>
    <button>注册</button>
    <button>登录</button>
</body>
</html>